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kernel BUG at mm/page_table_check.c:83!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 7994 Comm: syz-executor213 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : page_table_check_clear+0x47c/0x498 mm/page_table_check.c:83
lr : page_table_check_clear+0x47c/0x498 mm/page_table_check.c:83
sp : ffff8000223470a0
x29: ffff8000223470a0 x28: 1ffff0000342ef6c x27: 00000000ffffffff
x26: ffff800016039000 x25: 0000000000000000 x24: ffff80001a177000
x23: 0000000000000001 x22: ffff0000c071eb10 x21: 0000000000000000
x20: dfff800000000000 x19: ffff0000c071eb10 x18: 1fffe00019a77b0c
x17: ffff800015d6d000 x16: ffff800008301638 x15: 0000000000000000
x14: 1ffff00002bae0b0 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000c2c00000 x7 : ffff800008a03284 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008a03a30
x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 page_table_check_clear+0x47c/0x498 mm/page_table_check.c:83
 __page_table_check_pte_clear+0x7c/0x9c mm/page_table_check.c:155
 page_table_check_pte_clear include/linux/page_table_check.h:55 [inline]
 ptep_get_and_clear arch/arm64/include/asm/pgtable.h:941 [inline]
 ptep_get_and_clear_full include/linux/pgtable.h:459 [inline]
 zap_pte_range mm/memory.c:1390 [inline]
 zap_pmd_range mm/memory.c:1536 [inline]
 zap_pud_range mm/memory.c:1565 [inline]
 zap_p4d_range mm/memory.c:1586 [inline]
 unmap_page_range+0x1dbc/0x230c mm/memory.c:1607
 unmap_single_vma mm/memory.c:1653 [inline]
 unmap_vmas+0x380/0x540 mm/memory.c:1692
 exit_mmap+0x1d4/0x9cc mm/mmap.c:3031
 __mmput+0xec/0x394 kernel/fork.c:1207
 mmput+0x70/0xac kernel/fork.c:1229
 exit_mm+0x14c/0x214 kernel/exit.c:563
 do_exit+0x48c/0x1f58 kernel/exit.c:856
 do_group_exit+0x194/0x22c kernel/exit.c:1019
 get_signal+0x14b0/0x159c kernel/signal.c:2859
 do_signal arch/arm64/kernel/signal.c:1248 [inline]
 do_notify_resume+0x3cc/0x3c90 arch/arm64/kernel/signal.c:1301
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x90/0x15c arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 17ffff6c 97ebd949 d4210000 97ebd947 (d4210000) 
---[ end trace 0000000000000000 ]---